<template>
  <div class="app-container">
    <!--    菜单搜索-->
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          size="small"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增
        </el-button>
      </el-col>
    </el-row>
    <!--    菜单搜索-->


    <!--    菜单数据-->
    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon"/>
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
      <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column label="状态" align="center" prop="status" width="80" :formatter="statusFormat">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.status === 1">正常</el-tag>
          <el-tag type="danger" v-else>禁用</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini"
                     type="text"
                     icon="el-icon-edit"
                     @click="handleUpdate(scope.row)">修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)">新增
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--    菜单数据-->


    <!--    新增菜单-->
    <el-dialog top="4vh" :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <!--          上级菜单-->
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <!--          上级菜单-->
          <!--          菜单类型-->
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio :label="0">目录</el-radio>
                <el-radio :label="1">菜单</el-radio>
                <el-radio :label="2">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <!--          菜单类型-->
          <!--          菜单图标-->
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 2" label="菜单图标">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected"/>
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon"/>
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <!--          菜单图标-->
          <!--          菜单名称-->
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称"/>
            </el-form-item>
          </el-col>
          <!--          菜单名称-->
          <!--          显示排序-->
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0"/>
            </el-form-item>
          </el-col>
          <!--          显示排序-->
          <!--          路由地址-->
          <el-col :span="12" v-if="form.menuType != 2">
            <el-form-item prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由地址
              </span>
              <el-input v-model="form.path" placeholder="请输入路由地址"/>
            </el-form-item>
          </el-col>
          <!--          路由地址-->
          <!--          显式状态-->
          <el-col :span="12" v-if="form.menuType == 1">
            <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                组件路径
              </span>
              <el-input v-model="form.component" placeholder="请输入组件路径"/>
            </el-form-item>
          </el-col>
          <!--          显式状态-->

          <!--          权限字符串-->
          <el-col :span="12" v-if="form.menuType != 0">
            <el-form-item>
              <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100"/>
              <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                权限字符
              </span>
            </el-form-item>
          </el-col>
          <!--          权限字符串-->

          <!--          显式状态-->
          <el-col :span="12" v-if="form.menuType != 'F'">
            <el-form-item>
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                显示状态
              </span>
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <!--          显式状态-->

          <!--          菜单状态-->
          <el-col :span="12" v-if="form.menuType != 2">
            <el-form-item>
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                菜单状态
              </span>
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <!--          菜单状态-->
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!--    新增菜单-->

  </div>
</template>

<script>
  import {treeList, delMenu, getMenu, addMenu, updateMenu} from "@/api/menu"

  import IconSelect from "@/components/IconSelect"
  // npm install --save @riophae/vue-treeselect
  import Treeselect from "@riophae/vue-treeselect"
  import "@riophae/vue-treeselect/dist/vue-treeselect.css";


  export default {
    name: 'Menu',
    components: {Treeselect, IconSelect},
    data() {
      return {
        // 遮罩层
        loading: true,
        // 是否显示弹出层
        open: false,
        // 弹出层标题
        title: "",
        // 菜单表格树数据
        menuList: [],
        // 菜单状态数据字典
        statusOptions: [],
        // 显示状态数据字典
        visibleOptions: [],
        // 菜单树选项
        menuOptions: [],
        // 显示搜索条件
        showSearch: true,
        // 查询参数
        queryParams: {
          menuName: undefined,
          status: undefined
        },
        // 表单参数
        form: {
          menuId: undefined,
          parentId: 0,
          menuName: undefined,
          icon: undefined,
          menuType: 0,
          orderNum: undefined,
          visible: 1,
          status: 1,
          component: undefined,
          perms: undefined,
          path: undefined
        },
        // 表单校验
        rules: {
          menuName: [
            {required: true, message: "菜单名称不能为空", trigger: "blur"}
          ],
          orderNum: [
            {required: true, message: "菜单顺序不能为空", trigger: "blur"}
          ],
          path: [
            {required: true, message: "路由地址不能为空", trigger: "blur"}
          ]
        }
      };
    },
    methods: {
      // 提交按钮
      submitForm: function () {
        this.$refs["form"].validate(valid => {
          if (valid) {
            // 如果有 menuId 则为修改
            if (this.form.menuId != undefined) {
              updateMenu(this.form.menuId, this.form).then(response => {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              })
            } else {
              addMenu(this.form).then(response => {
                this.msgSuccess("新增成功")
                this.open = false
                this.getList()
              });
            }
          }
        });
      },
      // 修改按钮操作
      handleUpdate(row) {
        this.reset()
        this.getTreeselect()
        getMenu(row.menuId).then(res => {
          this.form = res.data
          this.open = true
          this.title = "修改菜单"
        });
      },
      // 新增
      handleAdd(row) {
        this.reset();
        this.getTreeselect();
        if (row != null && row.menuId) {
          this.form.parentId = row.menuId;
        } else {
          this.form.parentId = 0;
        }
        this.open = true;
        this.title = "添加菜单";
      },
      // 查询菜单下拉树结构
      getTreeselect() {
        treeList({}).then(res => {
          this.menuOptions = []
          const menu = {menuId: 0, menuName: '主类目', children: []}
          menu.children = res.data
          this.menuOptions.push(menu)
        });
      },
      // 查询菜单列表
      getList() {
        this.loading = true
        treeList(this.queryParams).then(res => {
          this.menuList = res.data
          this.loading = false
        })
      },
      // 搜索按钮操作
      handleQuery() {
        this.getList();
      },
      // 重置按钮操作
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 删除按钮操作
      handleDelete(row) {
        this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function () {
          return delMenu(row.menuId);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
      },
      // 转换菜单数据结构
      normalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children;
        }
        return {
          id: node.menuId,
          label: node.menuName,
          children: node.children
        };
      },
      // 选择图标
      selected(name) {
        this.form.icon = name;
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          menuId: undefined,
          parentId: 0,
          menuName: "",
          icon: "",
          menuType: 0,
          orderNum: 0,
          visible: 1,
          status: 1,
          component: "",
          perms: "",
          path: ""
        };
        this.resetForm("form");
      },
    },
    created() {
      this.getList()
      this.getDicts("sys_show_hide").then(response => {
        this.visibleOptions = this.parseIntDictData(response.data)
      })
      this.getDicts("sys_normal_disable").then(response => {
        this.statusOptions = this.parseIntDictData(response.data)
      })
    },
  }
</script>

<style scoped lang='scss'>
  .app-container {

  }

  ::v-deep .el-dialog__body {
    padding: 30px 20px 0 20px;
  }
</style>
